<template>
	<view>
		子组件
		<!-- <button @click="$emit('add', Math.random())">按钮</button> -->
		<button @click="onClick">按钮</button>
		<view>--------</view>
		<input type="text" @input="onInput"/>
	</view>
</template>

<script setup>
	const emit = defineEmits()
	function onClick(){
		emit('add', Math.random())
	}
	function onInput(e){
		emit('input', e.detail.value)
	}
</script>

<style lang="scss" scoped>
input{
	border: 1px solid #cfcfcf;
	height: 40px;
}
</style>